Bulletin of the American Physical Society
55th Annual Meeting of the APS Division of Atomic, Molecular and Optical Physics
Monday–Friday, June 3–7, 2024; Fort Worth, Texas
Session G04: Bose-Einstein Condensates
10:30 AM–12:30 PM,
Wednesday, June 5, 2024
Room: 201BC
Chair: Jesus Perez Rios, Stony Brook University
Abstract: G04.00004 : Observation of large-area matter-wave interference in caustic BEC flow*
11:06 AM–11:18 AM
Presenter:
Peter W Engels
(Washington State University)
Authors:
Peter W Engels
(Washington State University)
Maren E Mossman
(University of San Diego)
Ryan Corbin
(Washington State University)
Michael M Forbes
(Washington State University)
Here, we present a new experimental geometry that employs caustics to circumvents these difficulties. We observe intricate large-area matter-wave interference fringes in various geometries. Our results include the observation of the famous Pearcey diffraction pattern known from optical interferences.
This work presents a new platform for the study of matter-wave interference and offers interesting analogies to flow observed in other contexts, including 2D electron gases.
*We acknowledge funding from NSF under Award Nos. 2207588 and 2012190.
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